| File Extension: | ATO |
| File Type Description: | ATO Modeler Project |
| File Type Developer: | E2S N.V. |
| Primary Associated Software: | ATO |
| Primary Software Developer: | E2S N.V. |
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E2S N.V. developed the ATO Modeler Project file type when the ATO was initially released. Data from our web servers (annonymous users) show that ATO files are most popular in China and are often used by Windows 10. A high percentage of these users browse the web using Google Chrome.
| Windows 10 | Windows 11 | Windows 6 | Windows 8.1 |
 | Windows |
| Extension | File Type Developer | File Category | File Type Description |
|---|---|---|---|
| .DBF | dBase, LLC | Database Files | Database File |
| .USR | FileMaker Inc. | Database Files | FileMaker Pro Database File |
| .PLD | Oracle Corporation | Database Files | Oracle Binary Module Text Form |
| .ACCDB | Microsoft Corporation | Database Files | Access 2007 Database File |
| .MDX | Disc Soft Ltd. | Disk Image Files | Extended Media Descriptor File |
| .ORD | OMAX Corporation | Data Files | OMAX Routed Data |
| .FP3 | Fast Report | Page Layout Files | FastReport Prepared Report File |
| .FOL | SoftKey | Database Files | PFS First Choice Database File |
| .FOC | Information Builders | Database Files | FOCUS Database |
| .MAR | Microsoft Corporation | Database Files | Microsoft Access Report |
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